6A40.47 Twinkle Twinkle Little Star

Demonstrate " twinkle twinkle little star" by putting slide of constellation in slide projector and adjusting so beam passes just over top of hot hotplate. Adjust so a little out of focus to enlarge star images.

Picture: Not Yet Available 

Setup Requirements: Use movie screen or white cardboard. Works best if you have a small class that can come up to the front to see effect.  

Equations: None

Safety Issues: Red hot hotplate